no message

src/_VisualDVM/ProjectData/Project/UI/VersionsTree.java

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+package _VisualDVM.ProjectData.Project.UI;
+import Common.CurrentAnchestor;
+import _VisualDVM.Current;
+import _VisualDVM.Global;
+import _VisualDVM.Visual.Menus.GraphMenu;
+import _VisualDVM.Visual.Menus.VersionsMenu;
+import Common.Visual.Selectable;
+import Common.Visual.Trees.DataTree;
+import Common.Visual.Trees.TreeRenderers;
+import Visual_DVM_2021.Passes.PassCode_2021;
+import Visual_DVM_2021.Passes.Pass_2021;
+
+import javax.swing.tree.TreePath;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+public class VersionsTree extends DataTree {
+    public VersionsTree() {
+        super(Current.getRoot().node);
+        SelectCurrentProject();
+        this.addKeyListener(new KeyAdapter() {
+            @Override
+            public void keyPressed(KeyEvent e) {
+                switch (e.getKeyCode()) {
+                    case KeyEvent.VK_DELETE:
+                        Pass_2021.passes.get(PassCode_2021.DeleteVersion).Do();
+                        break;
+                    case KeyEvent.VK_ENTER:
+                        if (Current.HasVersion())
+                            Pass_2021.passes.get(PassCode_2021.OpenCurrentProject).Do(Current.getVersion());
+                        break;
+                }
+            }
+        });
+    }
+    @Override
+    public TreeRenderers getRenderer() {
+        return TreeRenderers.RendererVersion;
+    }
+    @Override
+    public Current getCurrent() {
+        return Current.Version;
+    }
+    public void SelectCurrentProject() {
+        setSelectionPath(new TreePath(Current.getProject().node.getPath()));
+    }
+    @Override
+    protected GraphMenu createMenu() {
+        return new VersionsMenu(this);
+    }
+    @Override
+    public void LeftMouseAction1() {
+        if (Global.versions_multiselection) {
+            // только если есть режим выбора версий.
+            Object element = CurrentAnchestor.get(getCurrent());
+            if ((element instanceof Selectable)) {
+                ((Selectable) element).SwitchSelection();
+                updateUI();
+            }
+        }
+    }
+    @Override
+    public void LeftMouseAction2() {
+        Pass_2021.passes.get(PassCode_2021.OpenCurrentProject).Do(Current.getVersion());
+    }
+    @Override
+    protected int getStartLine() {
+        return 1;
+    }
+}